User's Manual

66 Storage Center 5.5 System Manager User Guide
Volumes
Introduction
This chapter describes creating and managing volumes. Volumes can be created only from
an assigned folder of managed disks.
A volume is a logical storage repository. You can allocate more logical space to a volume
than is physically available on the Storage Center.
Because user access to a volume is controlled by user groups and associated volume
folders and volumes, group volumes into folders based on the way you want to control user
access. You can then create a corresponding user group and grant access to that volume
folder or volume. (Refer to Users and Groups on page 261.)
Types of Volumes
A volume is a single accessible storage area with a single file system. It is the same as a
logical drive. Via RAID, a Storage Center volume is physically located on some or all of the
drives within a Disk Folder. In a Microsoft Operating system, a volume can be assigned a
drive letter; in UNIX, a volume is assigned a mount point. A volume can be one of the
following:
• Standard Volumes are described in this chapter.
• Portable Volumes and Remote Volumes are described in Remote Instant Replay on
page 327.